package com.gong.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.gong.reggie.common.R;
import com.gong.reggie.dto.SetmealDto;
import com.gong.reggie.entity.Category;
import com.gong.reggie.entity.Setmeal;
import com.gong.reggie.service.CategoryService;
import com.gong.reggie.service.SetmealDishService;
import com.gong.reggie.service.SetmealService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/setmeal")
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private SetmealDishService setmealDishService;

    /**
     * 根据条件查询套餐数据
     * @param setmeal
     * @return
     */
    @PostMapping("/list")
    public R<List<Setmeal>> list(@RequestBody Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }

    @GetMapping("/list")
    public R<List<Setmeal>> list(@RequestParam("categoryId") Long categoryId ,@RequestParam("status") Integer status){
        if (categoryId ==null || status == null){
            return R.error("参数错误!");
        }
        List<Setmeal> list = setmealService.listByCategoryIdAndStatus(categoryId,status);
        return R.success(list);
    }

    @PostMapping
    public R<String> addSetmeal(@RequestBody SetmealDto setmealDto){

        setmealService.saveWithDish(setmealDto);
        return R.success("添加成功");
    }


    @DeleteMapping
    public  R<String> deleteById(@RequestParam List<Long> ids){
        setmealService.deleteById(ids);
        return R.success("删除成功");
    }


    @PostMapping("/status/{status}")
    public  R updateSetmeal(@PathVariable Integer status,
                            @RequestParam List<Long> ids){

//        LambdaQueryWrapper<Setmeal> qw = new LambdaQueryWrapper<>();
        //批量更新状态status
        for (Long id : ids) {
            Setmeal setmeal = new Setmeal();
            setmeal.setStatus(status);
            setmeal.setId(id);
            //第一节课15:10
            setmealService.updateById(setmeal);
        }


        return R.success("修改成功");
    }
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(name != null,Setmeal::getName,name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if(category != null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }
}
